"cyclops" in the noun sense
1. Cyclops
Greek mythology) one of a group of giants having a single eye in the middle of their forehead
2. cyclops, water flea
minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms
Source: WordNet® (An amazing lexical database of English)
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